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  5. Qwen3.7 PlusvsSolar Pro 4
Updated Aug 2026

Qwen3.7 PlusvsSolar Pro 4

Solar Pro 4 is cheaper than Qwen3.7 Plus at $0.09/M vs $0.4/M input tokens.

Qwen3.7 Plus and Solar Pro 4 compared across 14 shared prompts
SpecQwen3.7 PlusSolar Pro 4
Input price$0.4/M tokens$0.09/M tokens
Output price$1.6/M tokens$0.36/M tokens
Context window1.0M tokens524K tokens
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedMay 2026Aug 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 14 prompts both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

Qwen3.7 Plus311 words
Creative Name: Midnight Velvet Chocolate Peanut Butter Bites These no-bake, fudgy bites taste like a cross between a chocolate peanut butter cup and a soft oatmeal cookie. They require zero baking, come together in minutes, and use strictly shelf-stable staples you likely already have.
Read the full answer
Solar Pro 4294 words
🍝 Golden Umami Silk Noodles A savory-sweet pasta dish that transforms basic pantry staples into a glossy, flavorful meal. It's quick, comforting, and relies on the balance of soy, honey, and butter for a rich sauce without needing fresh produce.
Read the full answer

Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

Qwen3.7 Plus863 words
Here is how a Large Language Model learns and generates text, tailored specifically to the background, skepticism, and priorities of each audience. The Experienced Software Engineer Focus: Distributed systems, latent space, emergent behavior, and addressing the "glorified autocomplete" skepticism.
Read the full answer
Solar Pro 41,062 words
The Experienced Software Engineer Think of the model not as a reasoning engine, but as a highly compressed, non-deterministic function approximator that maps a sequence of input tokens to a probability distribution over the next token.
Read the full answer

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

Qwen3.7 Plus1,170 words
If the transistor had been invented and commercialized in 1920 (perhaps by Julius Lilienfeld, who patented the field-effect concept in 1925, or an alternate timeline version of the Bell Labs team), the 20th century would have undergone a profound acceleration.
Read the full answer
Solar Pro 41,638 words
The Premise: The 1920 Solid-State Breakthrough For this scenario to function, we must assume a functional point-contact or junction transistor is demonstrated in 1920 (perhaps by Lilienfeld or an early Bell Labs precursor), and crucially, that methods for purifying semiconductor materials (germanium/silicon) are solved…
Read the full answer

Startup Pitch Teardown

Here's a pitch deck summary for a startup called "MindMeld AI": **Slide 1 - Vision:** "We're building the future of human-AI collaboration.…

Qwen3.7 Plus733 words
Here are the 3 weakest claims in the MindMeld AI pitch deck, along with an analysis of why they fail and concrete ways to fix them. (Note: These critiques are written from the perspective of a seasoned technical investor or VC, who will immediately scrutinize scientific plausibility and business model alignment).
Read the full answer
Solar Pro 41,009 words
Here are the three weakest claims in the MindMeld AI pitch deck, along with an analysis of why they undermine credibility and specific recommendations for improvement. The Technical Performance Claim Claim: "Our proprietary EEG headband uses advanced ML to decode neural patterns into text with 94% accuracy...
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

Qwen3.7 Plus1,206 words
This architecture contains several critical anti-patterns for a real-time collaborative system. While it might work for a handful of users, it will fail catastrophically under load and produce severe data consistency issues.
Read the full answer
Solar Pro 41,598 words
This architecture contains several fundamental mismatches between real-time collaborative editing requirements and the chosen patterns. Below is a systematic breakdown of failure modes, race conditions, and scaling bottlenecks, each with a targeted solution and explicit trade-offs.
Read the full answer

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Qwen3.7 Plus788 words
Here is a simple, actionable 1-month plan designed to build sustainable habits without overwhelming you. This plan focuses on three foundational pillars of longevity: Nutrition, Movement, and Sleep.
Read the full answer
Solar Pro 4859 words
Here’s a simple, progressive 1-month plan built around Diet, Exercise, and Sleep. Each week adds one small, beginner-friendly shift to each area. The goal isn’t perfection; it’s building consistent, sustainable habits that compound over time.
Read the full answer
Our Verdict
Qwen3.7 Plus
Qwen3.7 Plus
Solar Pro 4
Solar Pro 4

Not enough votes to call it. On the specs, nothing separates them.

Solar Pro 4 costs 4.4x less per token.

Too close to call
API pricing

Cost per 1M tokens

Qwen3.7 Plus
Input
$0.40
Output
$1.60
Solar Pro 4
Input
$0.09
4.4× cheaper
Output
$0.36
4.4× cheaper

Solar Pro 4 is cheaper on both: 4.4× input, 4.4× output.

Where to run it

2 hosts

Qwen3.7 Plus1 host
HostInOutContextUptime
Alibaba Cloud$0.32 in·$1.28 out·1M·100% up
Solar Pro 41 host
HostInOutContextUptime
UUpstage$0.09 in·$0.36 out·524k·99.7% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Qwen3.7 Plus is developed by Qwen while Solar Pro 4 is developed by Upstage. Qwen3.7 Plus has a 1.0M token context window vs Solar Pro 4's 524K. You can compare their actual outputs across 14 challenges on Rival to see how they differ in practice.

It depends on your use case. Qwen3.7 Plus and Solar Pro 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 14 challenges so you can judge which fits your needs best.

Qwen3.7 Plus costs $0.4/M input tokens and Solar Pro 4 costs $0.09/M input tokens. Solar Pro 4 is $0.31/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Qwen3.7 Plus and Solar Pro 4 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

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Model pages

Qwen3.7 Plus logo
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